Mathematics · Trigonometry

यदि sin α + sin2α = 1 है, तो 1 - cos2α - cos4α का मान क्या होगा?

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यदि sin α + sin2α = 1 है, तो 1 - cos2α - cos4α का मान क्या होगा?

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यदि sin α + sin2α = 1 है, तो 1 - cos2α - cos4α का मान क्या होगा?

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